CentOS 7.x lsyncd Error: Temporary or permanent failure on startup

CentOS 7.x lsyncd Error: Temporary or permanent failure on startup

# systemctl start lsyncd
Mon Mar 27 15:45:27 2017 Error: Temporary or permanent failure on startup of "/home/". Terminating since "insist" is not set.

Main Server

# cat /etc/ssh/sshd_config | grep PermitRoot

PermitRootLogin no

# vi /etc/ssh/sshd_config

#PermitRootLogin no

PermitRootLogin yes

# systemctl restart sshd

Backup Server

# ssh-keygen
# ssh-copy-id root@mainserverip
# systemctl start lsyncd